<template>
    <div class="button-group">
        <slot></slot>
    </div>
</template>
<script>
    export default {
        name: 'GBUTTONGROUP',
        mounted() {
            for (let node of this.$el.children){
                let name = node.nodeName.toLowerCase()
                if(name !== 'button'){
                    console.warn(`button-group 的子元素仅支持 g-button，不应该使用 ${name}`)
                }
            }
        }
    }
</script>
<style lang="scss" scoped>
    $border-radius: 4px;
    .button-group {
        display: inline-flex;
        vertical-align: middle;

        > .g-button {
            border-radius: 0;
            &:not(:first-child){
                margin-left: -1px;
            }
            &:first-child {
                border-top-left-radius: $border-radius;
                border-bottom-left-radius: $border-radius;
            }
            &:last-child {
                border-top-right-radius: $border-radius;
                border-bottom-right-radius: $border-radius;
            }

            &:hover {
                position: relative;
                z-index: 1;
            }
        }




    }
</style>